NCCCO Tower Crane Complete Test , Practice Questions, Verified Answer
Key, and Study Guide for (Latest 2025–2026 Edition)
ASME - (ANSWER)American Society of Mechanical Engineers
ANSI - (ANSWER)American National Standards Institute
ASME B30.3 - (ANSWER)Tower Cranes
ASME B30.30 - (ANSWER)Ropes
OSHA - (ANSWER)Occupational Safety and Health Administration
OSHA 1926.1400cc - (ANSWER)Cranes in Construction
OSHA 1926.1435 - (ANSWER)Tower Cranes
A/D Director - (ANSWER)Assembly Disassembly director
Must - (ANSWER)OSHA mandatory
Shall - (ANSWER)ASME mandatory
Should - (ANSWER)ASME suggested
Rotation resistant - (ANSWER)2 in 6, 4 in 30
Standard wire rope - (ANSWER)12 in one rope lay
, NCCCO Tower Crane Complete Test , Practice Questions, Verified Answer
Key, and Study Guide for (Latest 2025–2026 Edition)
201 to 350 kV - (ANSWER)20 feet
High tensile bolts shall be marked with - (ANSWER)Strength rating and manufacturers designation
Tower sections must use high-tensile nuts with a strength rating of - (ANSWER)12
High tensile washers shall always be marked with the designation - (ANSWER)HV
Prior to applying the proper torque to the nut on a Tower cranes high - tensile bolt connection you
should ? - (ANSWER)Lubricate the threads
Which components of a Tower crane are connected with high tensile bolt connections ? -
(ANSWER)Foundation anchors , tower sections , slewing ring support
What is the approximate weight of a cubic yard of concrete in US pounds ? - (ANSWER)4,000
How many pounds does a cubic foot of concrete weigh ? - (ANSWER)150
A Tower cranes gear box oil levels should be checked at what interval - (ANSWER)Weekly
According to a metric conversion table , bars multiplied by 14.503 773 77 equals ? - (ANSWER)Pounds
per square inch
According to a length conversion table , meters multiplied by 3.280 839 895 equals ? - (ANSWER)Feet
When setting up a self - erecting tower crane , the outrigger jacks should be at what angle to the
supporting surface ? - (ANSWER)90 degrees
Key, and Study Guide for (Latest 2025–2026 Edition)
ASME - (ANSWER)American Society of Mechanical Engineers
ANSI - (ANSWER)American National Standards Institute
ASME B30.3 - (ANSWER)Tower Cranes
ASME B30.30 - (ANSWER)Ropes
OSHA - (ANSWER)Occupational Safety and Health Administration
OSHA 1926.1400cc - (ANSWER)Cranes in Construction
OSHA 1926.1435 - (ANSWER)Tower Cranes
A/D Director - (ANSWER)Assembly Disassembly director
Must - (ANSWER)OSHA mandatory
Shall - (ANSWER)ASME mandatory
Should - (ANSWER)ASME suggested
Rotation resistant - (ANSWER)2 in 6, 4 in 30
Standard wire rope - (ANSWER)12 in one rope lay
, NCCCO Tower Crane Complete Test , Practice Questions, Verified Answer
Key, and Study Guide for (Latest 2025–2026 Edition)
201 to 350 kV - (ANSWER)20 feet
High tensile bolts shall be marked with - (ANSWER)Strength rating and manufacturers designation
Tower sections must use high-tensile nuts with a strength rating of - (ANSWER)12
High tensile washers shall always be marked with the designation - (ANSWER)HV
Prior to applying the proper torque to the nut on a Tower cranes high - tensile bolt connection you
should ? - (ANSWER)Lubricate the threads
Which components of a Tower crane are connected with high tensile bolt connections ? -
(ANSWER)Foundation anchors , tower sections , slewing ring support
What is the approximate weight of a cubic yard of concrete in US pounds ? - (ANSWER)4,000
How many pounds does a cubic foot of concrete weigh ? - (ANSWER)150
A Tower cranes gear box oil levels should be checked at what interval - (ANSWER)Weekly
According to a metric conversion table , bars multiplied by 14.503 773 77 equals ? - (ANSWER)Pounds
per square inch
According to a length conversion table , meters multiplied by 3.280 839 895 equals ? - (ANSWER)Feet
When setting up a self - erecting tower crane , the outrigger jacks should be at what angle to the
supporting surface ? - (ANSWER)90 degrees
